<template>
  <el-dialog title="高级筛选" :visible.sync="visible" @close="handleCancel" width="800px">
    <div style="margin-bottom: 10px;">筛选条件</div>
    <el-form class="filter-container" id="filter-container">
      <el-form-item>
        <template v-for="(formItem, index) in form">
          <el-row :key="index">
            <el-col :span="8">
              <el-select v-model="formItem.field" @change="fieldChange(formItem)" placeholder="请选择要筛选的字段名">
                <el-option v-for="item in fieldList" :key="item.field" :label="item.name" :value="item.field">
                </el-option>
              </el-select>
            </el-col>

            <el-col :span="1"
              v-if="formItem.form_type !== 'date' && formItem.form_type !== 'datetime' && formItem.form_type !== 'business_type' && formItem.form_type !== 'category'">
              &nbsp;</el-col>
            <el-col :span="4"
              v-if="formItem.form_type !== 'date' && formItem.form_type !== 'datetime' && formItem.form_type !== 'business_type' && formItem.form_type !== 'category'">
              <el-select v-model="formItem.condition" placeholder="请选择范围">
                <el-option v-for="item in calConditionOptions(formItem.form_type, formItem)" :key="item.value"
                  :label="item.label" :value="item.value">
                </el-option>
              </el-select>
            </el-col>

            <!-- 商机组 -->
            <el-col :span="1" v-if="formItem.form_type == 'business_type'">&nbsp;</el-col>
            <el-col :span="4" v-if="formItem.form_type == 'business_type'">
              <el-select v-model="formItem.type_id" @change="typeOptionsChange(formItem)" placeholder="请选择">
                <el-option v-for="item in formItem.typeOption" :key="item.type_id" :label="item.name"
                  :value="item.type_id">
                </el-option>
              </el-select>
            </el-col>

            <el-col :span="1">&nbsp;</el-col>
            <el-col :span="formItem.form_type === 'datetime' || formItem.form_type === 'date' ? 13 : 8">
              <el-select v-if="formItem.form_type === 'select'" v-model="formItem.value" placeholder="请选择筛选条件">
                <el-option v-for="item in formItem.setting" :key="item" :label="item" :value="item">
                </el-option>
              </el-select>
              <el-date-picker v-else-if="formItem.form_type === 'date' || formItem.form_type === 'datetime'"
                v-model="formItem.value"
                :value-format="formItem.form_type === 'date' ? 'yyyy-MM-dd' : 'yyyy-MM-dd HH:mm:ss'"
                :type="formItem.form_type === 'date' ? 'daterange' : 'datetimerange'" style="padding: 0px 10px;"
                range-separator="-" start-placeholder="开始日期" end-placeholder="结束日期">
              </el-date-picker>
              <el-select v-else-if="formItem.form_type === 'business_type'" v-model="formItem.status_id"
                placeholder="请选择">
                <el-option v-for="item in formItem.statusOption" :key="item.status_id" :label="item.name"
                  :value="item.status_id">
                </el-option>
              </el-select>
              <xh-user-cell v-else-if="formItem.form_type === 'user'" :item="formItem"
                :infoParams="{m	:'crm',c: crmType,a: 'index' }" @value-change="arrayValueChange"></xh-user-cell>
              <xh-prouct-cate v-else-if="formItem.form_type === 'category'" :item="formItem"
                @value-change="arrayValueChange"></xh-prouct-cate>
              <el-input v-else v-model="formItem.value" placeholder="请输入筛选条件"></el-input>
            </el-col>
            <el-col :span="1" class="delete">
              <i class="el-icon-error delete-btn" @click="handleDelete(index)"></i>
            </el-col>
          </el-row>
        </template>
      </el-form-item>
    </el-form>
    <p class="el-icon-warning warning-info" v-show="showErrors">
      <span class="desc">筛选条件中有重复项！</span>
    </p>
    <el-button type="text" @click="handleAdd">+ 添加筛选条件</el-button>
    <div class="save" v-if="!isSeas">
      <el-checkbox v-model="saveChecked">保存为场景</el-checkbox>
      <el-input class="name" v-show="saveChecked" v-model.trim="saveName" :maxlength="10" placeholder="请输入场景名称，最多10个字符">
      </el-input>
      <div class="save-setting" v-show="saveChecked">
        <el-checkbox v-model="saveDefault">设置为默认</el-checkbox>
      </div>
    </div>
    <div slot="footer" class="dialog-footer">
      <el-button @click="handleCancel">取 消</el-button>
      <el-button type="primary" @click="handleConfirm">确 定</el-button>
    </div>
  </el-dialog>
</template>

<script>
  import {
    formatTimeToTimestamp,
    objDeepCopy
  } from '@/utils'
  import {
    XhUserCell,
    XhProuctCate
  } from '@/components/CreateCom'
  /**
   * fieldList: 高级筛选的字段
   *     type:  date || datetime || select || 其他 input
   */
  export default {
    name: 'index',
    components: {
      XhUserCell,
      XhProuctCate
    },
    props: {
      dialogVisible: {
        type: Boolean,
        required: true,
        default: false
      },
      fieldList: {
        type: Array,
        required: true,
        default: []
      },
      obj: {
        default: {},
        required: true
      },
      // 辅助 使用 公海没有场景
      isSeas: {
        type: Boolean,
        default: false
      },
      /** 获取客户管理下列表权限内的员工列表 针对 usersList */
      crmType: {
        type: String,
        default: ''
      }
    },
    data() {
      return {
        form: [],
        formCopy: [],
        visible: false,
        showErrors: false,
        saveChecked: false, // 展示场景
        saveDefault: false, // 设置为默认场景
        saveName: null // 场景名称
      }
    },
    watch: {
      dialogVisible: {
        handler(val) {
          if (val) {
            this.form = objDeepCopy(this.obj.form)
            if (this.form.length == 0) {
              this.form.push({
                field: '',
                name: '',
                form_type: '',
                condition: 'is',
                value: '',
                typeOption: [],
                statusOption: [],
                type_id: '',
                status_id: ''
              })
            }
            this.saveChecked = false
            this.saveDefault = false
            this.saveName = null
          }
          this.visible = this.dialogVisible
        },
        deep: true,
        immediate: true
      },

      form() {
        this.$nextTick(() => {
          var container = document.getElementById('filter-container')
          container.scrollTop = container.scrollHeight
        })
      }
    },
    methods: {
      /**
       * 商机组状态
       */
      typeOptionsChange(formItem) {
        if (formItem.type_id) {
          let obj = formItem.typeOption.find(item => {
            return item.type_id === formItem.type_id
          })
          formItem.statusOption = obj.statusList || []
        } else {
          formItem.statusOption = []
        }
        formItem.status_id = ''
      },
      /**
       * 用户创建人
       * 产品类别
       */
      arrayValueChange(data) {
        if (data.value.length > 0) {
          data.item.value = data.value
          data.item.valueContent = data.valueContent
        } else {
          data.item.value = []
        }
      },
      /** 条件数据源 */
      calConditionOptions(form_type, item) {
        if (
          form_type == 'select' ||
          form_type == 'checkbox' ||
          form_type == 'user'
        ) {
          return [{
              value: 'is',
              label: '等于',
              disabled: false
            },
            {
              value: 'isnot',
              label: '不等于',
              disabled: false
            }
          ]
        } else if (
          form_type == 'module' ||
          form_type == 'text' ||
          form_type == 'textarea'
        ) {
          return [{
              value: 'is',
              label: '等于',
              disabled: false
            },
            {
              value: 'isnot',
              label: '不等于',
              disabled: false
            },
            {
              value: 'contains',
              label: '包含',
              disabled: false
            },
            {
              value: 'not_contain',
              label: '不包含',
              disabled: false
            }
          ]
        } else if (form_type == 'floatnumber' || form_type == 'number') {
          return [{
              value: 'is',
              label: '等于',
              disabled: false
            },
            {
              value: 'isnot',
              label: '不等于',
              disabled: false
            },
            {
              value: 'contains',
              label: '包含',
              disabled: false
            },
            {
              value: 'not_contain',
              label: '不包含',
              disabled: false
            },
            {
              value: 'is_empty',
              label: '为空',
              disabled: false
            },
            {
              value: 'is_not_empty',
              label: '不为空',
              disabled: false
            },
            {
              value: 'gt',
              label: '大于',
              disabled: false
            },
            {
              value: 'egt',
              label: '大于等于',
              disabled: false
            },
            {
              value: 'lt',
              label: '小于',
              disabled: false
            },
            {
              value: 'elt',
              label: '小于等于',
              disabled: false
            }
          ]
        } else if (form_type == 'category') {
          return [{
              value: 'is',
              label: '等于',
              disabled: false
            },
            {
              value: 'isnot',
              label: '不等于',
              disabled: false
            },
            {
              value: 'contains',
              label: '包含',
              disabled: false
            },
            {
              value: 'not_contain',
              label: '不包含',
              disabled: false
            }
          ]
        } else {
          return [{
              value: 'is',
              label: '等于',
              disabled: false
            },
            {
              value: 'isnot',
              label: '不等于',
              disabled: false
            },
            {
              value: 'contains',
              label: '包含',
              disabled: false
            },
            {
              value: 'not_contain',
              label: '不包含',
              disabled: false
            },
            {
              value: 'start_with',
              label: '开始于',
              disabled: false
            },
            {
              value: 'end_with',
              label: '结束于',
              disabled: false
            },
            {
              value: 'is_empty',
              label: '为空',
              disabled: false
            },
            {
              value: 'is_not_empty',
              label: '不为空',
              disabled: false
            },
            {
              value: 'gt',
              label: '大于',
              disabled: false
            },
            {
              value: 'egt',
              label: '大于等于',
              disabled: false
            },
            {
              value: 'lt',
              label: '小于',
              disabled: false
            },
            {
              value: 'elt',
              label: '小于等于',
              disabled: false
            }
          ]
        }
      },
      /**
       * 当前选择的字段名改变，判断是否有重复
       * @param formItem
       */
      fieldChange(formItem) {
        let obj = this.fieldList.find(item => {
          return item.field === formItem.field
        })
        if (obj) {
          formItem.form_type = obj.form_type
          formItem.name = obj.name
          if (formItem.form_type == 'business_type') {
            formItem.typeOption = obj.setting
            formItem.statusOption = []
            formItem.type_id = ''
            formItem.status_id = ''
          } else if (formItem.form_type == 'select') {
            formItem.setting = obj.setting || []
          } else if (
            formItem.form_type === 'date' ||
            formItem.form_type === 'datetime' ||
            formItem.form_type === 'user' ||
            formItem.form_type === 'category'
          ) {
            formItem.value = []
          }
        }

        let arr = this.form.filter(item => {
          return item.field === formItem.field
        })
        if (arr.length > 1) this.showErrors = true
        else this.showErrors = false
      },
      /**
       * 取消选择
       */
      handleCancel() {
        this.$emit('update:dialogVisible', false)
      },
      /**
       * 确定选择
       */
      handleConfirm() {
        if (this.showErrors) {
          this.$message.error('筛选条件中有重复项！')
          return
        }
        if (this.saveChecked) {
          if (!this.saveName || this.saveName === '') {
            this.$message.error('场景名称不能为空！')
            return
          }
        }
        for (let i = 0; i < this.form.length; i++) {
          let o = this.form[i]
          if (!o.field || o.field === '') {
            this.$message.error('要筛选的字段名称不能为空！')
            return
          }
          if (o.form_type == 'business_type') {
            if (!o.type_id && !o.status_id) {
              this.$message.error('请输入筛选条件的值！')
              return
            }
          } else if (
            o.form_type == 'date' ||
            o.form_type == 'datetime' ||
            o.form_type == 'user' ||
            o.form_type == 'category'
          ) {
            if (!o.value || o.value.length === 0) {
              this.$message.error('请输入筛选条件的值！')
              return
            }
          } else if (!o.value) {
            this.$message.error('请输入筛选条件的值！')
            return
          }
        }
        let obj = {}
        this.form.forEach(o => {
          if (o.form_type == 'date') {
            obj[o.field] = {
              start_date: o.value[0],
              end_date: o.value[1],
              form_type: o.form_type,
              name: o.name
            }
          } else if (o.form_type == 'datetime') {
            obj[o.field] = {
              start: formatTimeToTimestamp(o.value[0]),
              end: formatTimeToTimestamp(o.value[1]),
              form_type: o.form_type,
              name: o.name
            }
          } else if (o.form_type == 'business_type') {
            obj[o.field] = {
              type_id: o.type_id,
              status_id: o.status_id,
              form_type: o.form_type,
              name: o.name
            }
          } else if (o.form_type == 'user') {
            obj[o.field] = {
              condition: o.condition,
              value: o.value[0].id,
              form_type: o.form_type,
              name: o.name
            }
          } else if (o.form_type == 'category') {
            obj[o.field] = {
              value: o.value[o.value.length - 1],
              form_type: o.form_type,
              name: o.name
            }
          } else {
            obj[o.field] = {
              condition: o.condition,
              value: o.value,
              form_type: o.form_type,
              name: o.name
            }
          }
        })
        let data = {
          obj: obj,
          form: this.form,
          saveChecked: this.saveChecked,
          saveDefault: this.saveDefault,
          saveName: this.saveName
        }
        this.$emit('filter', data)
      },
      /**
       * 添加筛选条件
       */
      handleAdd() {
        this.form.push({
          field: '',
          condition: 'is',
          value: '',
          form_type: '',
          setting: [],
          typeOption: [],
          statusOption: [],
          type_id: '',
          status_id: ''
        })
      },
      /**
       * 删除筛选条件
       * @param index
       */
      handleDelete(index) {
        this.$confirm('您确定要删除这一条数据吗?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
          })
          .then(() => {
            this.form.splice(index, 1)
          })
          .catch(() => {
            this.$message({
              type: 'info',
              message: '已取消删除'
            })
          })
      }
    }
  }

</script>

<style lang="scss" scoped>
  /deep/ .el-dialog__body {
    padding: 10px 20px;
  }

  /deep/ .el-form-item__label {
    width: 100%;
    text-align: left;
  }

  .filter-container {
    max-height: 300px;
    overflow-y: auto;
  }

  .save {
    margin-top: 10px;

    .name {
      width: 300px;
      margin-left: 10px;

      /deep/ .el-input__inner {
        height: 32px;
      }
    }

    .save-setting {
      margin-top: 20px;
    }
  }

  .el-form-item {
    margin-bottom: 0;
  }

  .el-row {
    margin-bottom: 20px;

    .delete-btn {
      margin-left: 15px;
      color: #bbb;
      cursor: pointer;
    }

    .el-select,
    .el-date-editor {
      width: 100%;
    }
  }

  .warning-info {
    width: 100%;
    font-size: 14px;
    color: #f56c6c;
    margin-top: 10px;

    .desc {
      padding-left: 8px;
    }
  }

</style>
